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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Rota in Northern Mariana Islands

Posted by admin on March 2, 2017 0 Comments

Earthquake location 13.5135S, 147.1708WA light earthquake with magnitude 4.3 (ml/mb) was reported 224 km ESE of Rota, Northern Mariana Islands (139 miles) on Friday. Exact location of earthquake, longitude 147.1708 East, latitude 13.5135 North, depth = 23.46 km. Exact time and date of event in UTC/GMT: 10/02/17 / 2017-02-10 08:38:47 / February 10, 2017 @ 8:38 am. The 4.3-magnitude earthquake was detected at 18:38:47 / 6:38 pm (local time epicenter). All ids that are associated to the event: us20008led. Unique identifier: us20008led. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 23.46 km (15 miles).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days three and in the last 365 days seven earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 224 km ESE of Rota, Northern Mariana Islands.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 147.1708° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.5135° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.46 km Depth of the event in kilometers.
Place 224km ESE of Rota, Northern Mariana Islands Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-10 08:38:47 Time when the event occurred. UTC/GMT
Updated 2017-03-02 07:09:42 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 284 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.24 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.51 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 93 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20008led Id of event.
Event Code 20008led An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008led, A comma-separated list of event ids that are associated to an event.

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